|250 g||ground almonds|
|½ tsp||baking soda|
|1¼ tsp||baking powder|
|oil for greasing|
|confectioner's sugar for serving|
Clean oranges, put them in saucepan and cover with cold water. Cook for approx. 2 hrs., or until soft. Set aside to cool.
Pre-heat oven to 170°C/340°F. Quarter oranges and remove seeds. Blend oranges with a hand blender in a large bowl, including skins. Add eggs and blend until smooth. In a separate large bowl, mix together ground almonds, sugar, baking soda, and baking powder. Add to wet ingredients and blend until batter is smooth.
Pour cake batter into a greased and parchment-lined cake pan. Bake for approx. 45 - 50 min. at 170°C/340°F.